| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall footprint (open, with writing tablet) | 590 x 880 x 1025 mm | |
|---|---|---|
| Seat height from finished floor | 450 mm | |
| Center-to-center seat spacing for ganged rows | 590 mm | |
| Backrest total height from seat surface | 575 mm | |
| Armrest height from finished floor | 600 mm | |
| Wood armrest cap width | 85 mm | |
| Seat usable width | 460 mm | |
| Seat usable depth (tip-down position) | 450 mm | |
| Perforated front modesty panel height | 350 mm | |
| Optional revolving writing tablet dimensions | 340 x 255 mm | |
| Writing tablet height from floor | 760 mm | |
| Steel floor mounting plate width | 60 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Per-seat net weight | 28 kg | |
|---|---|---|
| Recommended static user load per seat | 220 kg | |
| Seat foam density | 53 kg/m³ | |
| Seat cushion foam thickness | 80 mm | |
| Backrest foam thickness | 60 mm | |
| Fabric upholstery abrasion resistance | 50000 Martindale cycles | |
| Frame structural warranty | 5 years | |
| Seat return mechanism cycle life | 100000 cycles | |
| Perforated panel acoustic diffusion contribution | 15% reduction in front-row sound reflection | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Wear-resistant breathable blue woven polyester fabric | |
|---|---|---|
| Seat and back padding | High-density cold-cure molded polyurethane foam | |
| Armrest top caps | 20mm thick solid wood-grain finished beech trim | |
| Front modesty panel | 15mm thick perforated wood-composite panel with warm wood finish | |
| Support stanchions and frame | 2mm thick powder-coated gray steel with chrome end accents | |
| Internal seat frame | 18mm thick multi-layer solid wood seat board | |
| Optional writing tablet | ABS plastic top with aluminum alloy rotating support bracket | |
| Seat return mechanism | Steel spring with hydraulic damping buffer for quiet tip-up action | |
| Backrest outer trim | Matching warm wood-grain edge trim along backrest side | |
| Floor anchors | Galvanized steel hex socket screws for concrete floor mounting | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat operation | Spring-damper actuated automatic tip-up seat with slow quiet return | |
|---|---|---|
| Row installation | Ganged side-mounting compatible for continuous straight or curved row assembly | |
| Floor mounting | Dual stanchion permanent floor anchor system for rigid, wobble-free installation | |
| Optional writing tablet | 360° revolving fold-out writing surface that stows flush within armrest when unused | |
| Ergonomic support | Contoured segmented backrest with integrated lumbar support curve | |
| Acoustic performance | Perforated front modesty panel diffuses reflected sound to improve room audio clarity | |
| Seam construction | 8mm seam pitch for tight, durable upholstery attachment | |
| Modesty protection | Full-height perforated front panel blocks view of seated users' legs from rows below | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Large auditoriums and theaters | Provides durable, comfortable fixed seating for long performances and events | |
|---|---|---|
| University lecture halls | Supports extended note-taking with optional integrated writing tablet for students | |
| Corporate conference halls | Delivers professional wood-trim aesthetic for shareholder meetings and presentations | |
| Government assembly chambers | Offers formal, code-compliant permanent seating for public meetings and hearings | |
| Cinema venues | Tip-up seat design clears aisle space for safe patron movement between rows | |
| Performing arts centers | Perforated modesty panel supports room acoustic performance for live events | |
| School multi-purpose halls | Withstands daily high-traffic use for assemblies, ceremonies and student events | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 12727:2000 | Applicable for strength, durability and safety requirements for ranked public seating | |
|---|---|---|
| EN 1021-1:2014 | Applicable for upholstered furniture ignitability resistance to smoldering cigarettes | |
| EN 1021-2:2014 | Applicable for upholstered furniture ignitability resistance to match-flame sources |
US and Canada office-furniture standards
| ANSI/BIFMA X5.11-2015 | Applicable for strength and durability testing of large-occupant public seating | |
|---|---|---|
| ANSI/BIFMA X5.4-2023 | Applicable for lounge and public seating structural performance requirements |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable for general technical requirements of wooden furniture components | |
|---|---|---|
| GB/T 35452-2017 | Applicable for safety, strength and durability of public theater/auditorium seating | |
| GB 20286-2006 | Applicable for fire retardant performance requirements for public venue furniture components | |
| GB/T 16422.2-2014 | Applicable for accelerated weathering/abrasion testing of upholstery fabric finishes |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable for general technical requirements of wooden furniture components; 2. GB/T 35452-2017: Applicable for safety, strength and durability of public theater/auditorium seating; 3. GB 20286-2006: Applicable for fire retardant performance requirements for public venue furniture components; 4. GB/T 16422.2-2014: Applicable for accelerated weathering/abrasion testing of upholstery fabric finishes; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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